Valar Atomics' Ward 250 Reactor Powers Nvidia Blackwell; Nvidia Partnership Targets Waterless 30MW AI Factory

In June 2026, Valar Atomics' Ward 250 small modular reactor (SMR) in Utah successfully powered an Nvidia Blackwell system. The company announced a deal with Nvidia to develop a waterless 30MW AI factory. The news preceded Valar's August 3, 2026 announcement of a $1 billion Sequoia-led Series B at a $6 billion valuation.